806EC is not the new train. It was running before. Mr. Vikram is right that a new train has been started on 29Jan. Following link has details about it:
www.patnadaily.com/index.php?option=com_content&view=article&id=1028:cm-flags-off-train-between-gaya-and-jamalpur&catid=1:latest&Itemid=157
But I am unable to find the timetable for the train.